End of this Lesson

Here are some terms and formulae you may wish to review before you get lost:

• Orientation of a 2D vector aligned with X or Y axis.
• Formula that nearly gives you the orientation of a vector.
• Dealing with negative components in the column matrix.
• Converting length and direction to an ordered pair.
• Relation between radians and degrees.

Click on a term to see where it was discussed in this chapter. The next chapter will discuss the product of a vector and a scalar. This will be useful in several important applications, such as quizzes and midterms.